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-   -   FSR and Armson rifled barrels? (http://www.mcarterbrown.com/forums/first-strike/226996-fsr-armson-rifled-barrels.html)

DSA 02-22-2013 08:02 PM

FSR and Armson rifled barrels?
 
Has anyone tried this combination?

capitalpaintball 02-22-2013 08:12 PM

I run Armsons on everything. I use a 16" Stealth on my H7 with FS.
I don't notice inaccuracy but I cant say it shoots the FS better. I need to shoot it some more when the weather gets better.
The rifling in the barrel rotates the opposite way from the FS rounds.
I also tried the SSR (straight rifling) and it seemed the same.

DSA 02-23-2013 03:01 AM

Great info, I couldn't remember.

uv_halo 02-23-2013 09:27 AM

Quote:

Originally Posted by capitalpaintball (Post 2633063)
...The rifling in the barrel rotates the opposite way from the FS rounds...

I agree with this 100% all my Armson barrels (early Bushmaster and Spyder "Pro" models, and my later "Stealth" barrel all rotate in the wrong direction.

I've been told but, have not seen, that hammerhead barrels rotate in the proper direction.

capitalpaintball 02-23-2013 09:52 AM

Quote:

I agree with this 100% all my Armson barrels (early Bushmaster and Spyder "Pro" models, and my later "Stealth" barrel all rotate in the wrong direction.
You mean the First Strike rounds rotate in the wrong direction.
Armsons are perfect!:ROTFL:

DSA 02-26-2013 10:50 PM

This is really funny, I remember back in the day the so called paintball aficionados claiming rifling was hemispherically dependent on global location. Clock wise for north of the equator and counter clock wise south of the equator. I do wonder why the FSR is rifled in the opposite direction from what Armson has done for years.

Spider! 02-28-2013 09:36 AM

At least you can say that the FSR is right-handed, which is as common a reason as any.

AwwShoot 02-28-2013 09:58 AM

So basically your barrel is trying to spin the FS round counter-clockwise in the barrel then once it leaves the barrel the fins catch the air and then have to force it to stop and rotate clockwise.

I use a Hammerhead on my Tiberius and that thing is amazing!

capitalpaintball 02-28-2013 10:22 AM

Out of a 16 inch Armson the rifling only rotates a FS round from 12 O-clock to about 11 O-clock. and thats only if its a good fit. using a Pro-series Armson with a much bigger bore there is no rotation at all. same if the round is dropped thru a .692 Ultra-lite.

Spider! 02-28-2013 01:34 PM

Quote:

Originally Posted by capitalpaintball (Post 2638924)
Out of a 16 inch Armson the rifling only rotates a FS round from 12 O-clock to about 11 O-clock. and thats only if its a good fit. using a Pro-series Armson with a much bigger bore there is no rotation at all. same if the round is dropped thru a .692 Ultra-lite.

I can see how those smooth lands would be forgiving on the round. It's still a little sad that they don't run the same direction. I was having to ram some paint into my pirate pistol (w/an armson) last weekend. The muzzle break has a larger bore, so the operation (drop and ram) was perfect with balls. I can see the fins catching on that setup anyway.


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